This article from the NASA Astrobiology Institute raises some issues in the accepted theory that the mass extinction event of the late Cretaceous was caused by a meteorite impact. The article discusses specifics behind what would happen if an asteroid were to hit the Earth, and possible reasons why some species would survive and others didn't.
%0 Electronic Source %D June 15, 2001 %T Do We Know What Killed the Dinosaurs? %I NASA %V 2015 %N 28 August 2015 %8 June 15, 2001 %9 text/html %U http://www.astrobio.net/exclusive/158/do-we-know-what-killed-the-dinosaurs
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